The way that these things usually work is that the post drifts downwards in the list as people fail to reply. If someone replies usually the post goes to the...

I guess that practically speaking you would have to do something along the lines of:

1. Create a transaction and lock the destination table.

2. Check that the current identity value is...

If you are inserting the data as a series of discrete steps why don't you just read the scope_identity() after each insert?